| Acronym | Meaning |
| FRM | Fiber-reinforced Metals |
| EROS | Earth Resources Observation Satellite |
| NEROS | Northeast Regional Oxidant Study |
| PHC | Photonic Crystal |
| IFSEM | International Federation Of Societies For Electron Microscopy |
| DHS | Department Of Homeland Securitypar |
| RNAA | Radiochemical Neutron Activation Analysis |
| IEE | Institution Of Electrical Engineers |
| FMIR | Frustrated Multiple Internal Reflection |
| CC | Combined Cycle |